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authorIlya Yanok <yanok@emcraft.com>2008-12-11 02:55:41 +0100
committerPaul Mackerras <paulus@samba.org>2008-12-28 23:53:25 +0100
commitca9153a3a2a7556d091dfe080e42b0e67881fff6 (patch)
tree35b5ce24f190690cf7a726cbb97980da51704855 /sound/pci/hda/patch_si3054.c
parentpowerpc: Force memory size to be a multiple of PAGE_SIZE (diff)
downloadlinux-ca9153a3a2a7556d091dfe080e42b0e67881fff6.tar.xz
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powerpc/44x: Support 16K/64K base page sizes on 44x
This adds support for 16k and 64k page sizes on PowerPC 44x processors. The PGDIR table is much smaller than a page when using 16k or 64k pages (512 and 32 bytes respectively) so we allocate the PGDIR with kzalloc() instead of __get_free_pages(). One PTE table covers rather a large memory area when using 16k or 64k pages (32MB or 512MB respectively), so we can easily put FIXMAP and PKMAP in the area covered by one PTE table. Signed-off-by: Yuri Tikhonov <yur@emcraft.com> Signed-off-by: Vladimir Panfilov <pvr@emcraft.com> Signed-off-by: Ilya Yanok <yanok@emcraft.com> Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'sound/pci/hda/patch_si3054.c')
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